BR9916812B1 - process for purifying a heteropoly acid. - Google Patents

process for purifying a heteropoly acid.

Info

Publication number
BR9916812B1
BR9916812B1 BRPI9916812-0A BR9916812A BR9916812B1 BR 9916812 B1 BR9916812 B1 BR 9916812B1 BR 9916812 A BR9916812 A BR 9916812A BR 9916812 B1 BR9916812 B1 BR 9916812B1
Authority
BR
Brazil
Prior art keywords
purifying
heteropoly acid
heteropolyacid
organic solvent
liquid
Prior art date
Application number
BRPI9916812-0A
Other languages
Portuguese (pt)
Other versions
BR9916812A (en
Inventor
Martin Philip Atkins
Benjamin Patrick Gracey
James Noel Martin Hegarty
Mark Royston Smith
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of BR9916812A publication Critical patent/BR9916812A/en
Publication of BR9916812B1 publication Critical patent/BR9916812B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G41/00—Compounds of tungsten
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G39/00—Compounds of molybdenum

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Steroid Compounds (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)

Abstract

This invention relates to a process for purifying a heteropolyacid which comprises: subjecting an aqueous solution comprising (i) the heteropolyacid and (ii) salt impurities to at least one liquid/liquid extraction step with an organic solvent, characterized in that the organic solvent comprises a dihydrocarbyl ether having at least 5 carbon atoms.
BRPI9916812-0A 1998-12-18 1999-11-26 process for purifying a heteropoly acid. BR9916812B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9828020.9A GB9828020D0 (en) 1998-12-18 1998-12-18 Synthesis of heteropolyacids
PCT/GB1999/003960 WO2000037361A1 (en) 1998-12-18 1999-11-26 Synthesis of heteropolyacids

Publications (2)

Publication Number Publication Date
BR9916812A BR9916812A (en) 2001-10-16
BR9916812B1 true BR9916812B1 (en) 2008-11-18

Family

ID=10844576

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9916812-0A BR9916812B1 (en) 1998-12-18 1999-11-26 process for purifying a heteropoly acid.

Country Status (17)

Country Link
US (1) US6497849B2 (en)
EP (1) EP1140703B1 (en)
JP (1) JP4668419B2 (en)
KR (1) KR100638131B1 (en)
CN (1) CN1162331C (en)
AT (1) ATE223355T1 (en)
AU (1) AU1288200A (en)
BR (1) BR9916812B1 (en)
CA (1) CA2355119C (en)
DE (1) DE69902816T2 (en)
GB (1) GB9828020D0 (en)
ID (1) ID28892A (en)
MY (1) MY118316A (en)
RU (1) RU2228908C2 (en)
SA (2) SA00201033B1 (en)
TW (1) TW523492B (en)
WO (1) WO2000037361A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100790215B1 (en) * 2006-08-29 2008-01-02 주식회사 효성 Process for the purification of heteropoly-acid catalysts
KR100841603B1 (en) * 2007-02-16 2008-06-26 주식회사 효성 Process for producing tetrahydrofuran polymer
US20110098368A1 (en) * 2009-10-28 2011-04-28 Conocophillips Company Controlling synthesis of metal sulfide catalysts
JP2011126774A (en) * 2009-11-20 2011-06-30 Sumitomo Chemical Co Ltd Method for recovering polyoxoanion compound
CN102557033B (en) * 2012-01-06 2013-06-05 中国矿业大学 Process for recovering molybdenum-silicon heteropoly acid from waste molybdenum disilicide
US11214495B2 (en) * 2016-08-26 2022-01-04 Central South University Preparation method of phosphotungstic acid
CN110801865B (en) * 2019-11-19 2022-07-22 滁州学院 Preparation method of impurity-free Preyssler type heteropoly acid
CN111573734B (en) * 2020-06-19 2022-08-19 厦门钨业股份有限公司 Extractant and method for extracting tungsten from phosphotungstic heteropoly acid and converting tungsten into ammonium tungstate/sodium tungstate solution
CN112210678B (en) * 2020-09-14 2022-08-05 广东芳源环保股份有限公司 Method for removing impurities of phosphorus and silicon from nickel solution by complexing extraction
CN112226629B (en) * 2020-09-14 2022-08-05 广东芳源环保股份有限公司 Method for removing impurities from nickel solution by using reusable polymetallic salt as complexing agent

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3361518A (en) * 1965-02-24 1968-01-02 Sylvania Electric Prod Method of preparing heteropoly acids
US3440732A (en) * 1967-09-19 1969-04-29 Sylvania Electric Prod Recovery of complex tungsten and molybdenum compounds from solutions
US4677231A (en) * 1984-11-13 1987-06-30 Asahi Kasei Kogyo Kabushiki Kaisha Process for purification of polyether
JPH0688766B2 (en) * 1986-05-06 1994-11-09 旭化成工業株式会社 Method for producing dodecamolybdophosphoric acid
JP2707252B2 (en) * 1987-08-03 1998-01-28 利博 山瀬 Antiviral agent
JP2993674B2 (en) * 1989-02-01 1999-12-20 利博 山瀬 Anti-acquired immunodeficiency syndrome virus agent
DE3933333A1 (en) * 1989-10-06 1991-04-11 Basf Ag METHOD FOR PURIFYING POLYALKYLENE ETHERGLYCOLS CONTAINING HETEROPOLYSIC ACIDS
JPH03240780A (en) * 1990-02-14 1991-10-28 Tosoh Corp Production of epoxide of dicyclopentadiene derivative
CZ396292A3 (en) * 1990-06-29 1994-01-19 Commw Scient Ind Res Org Pharmaceutical preparation for treating and prophylaxis of infection
JPH07247227A (en) * 1994-03-11 1995-09-26 Mitsui Toatsu Chem Inc Production of monooleffin by oxidative dehydrogenation of paraffins
FR2720063B1 (en) * 1994-05-20 1996-10-25 Rhone Poulenc Chimie Heteropolyacid catalyst and its use for the preparation of acetic acid by gentle oxidation of ethane.
CN1071346C (en) * 1994-10-07 2001-09-19 巴斯福股份公司 Polyether, Polyester and polyether ester purification process
DE4435920A1 (en) * 1994-10-07 1996-04-11 Basf Ag Process for the separation of heteropoly compounds from polyethers, polyesters and polyether esters
US6043184A (en) * 1998-01-05 2000-03-28 Sunoco, Inc. (R&M) Heteropoly acids supported on polyoxometallate salts and their preparation
TW444032B (en) * 1998-06-15 2001-07-01 Asahi Chemical Ind Process for producing tetrahydrofuran polymer

Also Published As

Publication number Publication date
MY118316A (en) 2004-09-30
CN1334783A (en) 2002-02-06
KR20010099830A (en) 2001-11-09
CN1162331C (en) 2004-08-18
TW523492B (en) 2003-03-11
GB9828020D0 (en) 1999-02-10
EP1140703B1 (en) 2002-09-04
WO2000037361A1 (en) 2000-06-29
DE69902816D1 (en) 2002-10-10
DE69902816T2 (en) 2003-01-16
JP2002532378A (en) 2002-10-02
SA00201035B1 (en) 2006-11-14
EP1140703A1 (en) 2001-10-10
ID28892A (en) 2001-07-12
US20020054847A1 (en) 2002-05-09
JP4668419B2 (en) 2011-04-13
BR9916812A (en) 2001-10-16
ATE223355T1 (en) 2002-09-15
US6497849B2 (en) 2002-12-24
SA00201033B1 (en) 2006-10-30
RU2228908C2 (en) 2004-05-20
CA2355119A1 (en) 2000-06-29
CA2355119C (en) 2009-09-15
KR100638131B1 (en) 2006-10-24
AU1288200A (en) 2000-07-12

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 26/11/1999, OBSERVADAS AS CONDICOES LEGAIS.

B25A Requested transfer of rights approved

Owner name: INEOS EUROPE LIMITED (GB)

B25A Requested transfer of rights approved

Owner name: INEOS OXIDE LIMITED (GB)

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 11A ANUIDADE.

B24E Patent annual fee: resolution cancelled

Free format text: REFERENTE AO DESPACHO 21.6 PUBLICADO NA RPI 2259 DE 22/04/2014.

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 26.11.2019